NET

2 If a man makes a vow to the Lord or takes an oath of binding obligation on himself, he must not break his word, but must do whatever he has promised.

Darby

2 If a man vow a vow to Jehovah, or swear an oath to bind his soul with a bond, he shall not break his word; according to all that hath gone out of his mouth shall he do.

KJV

2 If a man vow a vow unto the LORD, or swear an oath to bind his soul with a bond; he shall not break^K728his word, he shall do according to all that proceedeth out of his mouth.

KJV Bible Notes

break: Heb. profane.

Strong's

2 If a man^H376 vow^H5087 a vow^H5088 unto the LORD^H3068, or swear^H7650 an oath^H7621 to bind^H631 his soul^H5315 with a bond^H632; he shall not break^H2490 his word^H1697, he shall do^H6213 according to all that proceedeth^H3318 out of his mouth^H6310.